na INLIS000000000003930 20130515141413 ind 979-693-298-3 0010-051300000003930 ind 500 500 Yayat, Ibayati Tangkas Sains ( Sd Kelas 3 ) c.2 / editor, Popi, Rismala Cetakan : 1 Bandung Rosda Karya viii, 152 hlm. ;25 cm. 151 Sains Suryani, Tati, S. Soenarjo,